<template>
  <div id="app">
    <!--keep-alive可以把访问过的组件缓存起来，避免多次请求，提高性能-->
    <keep-alive>
      <router-view/>
    </keep-alive>
  </div>
</template>

<script>
export default {
  name: 'App',
  component: {

  }
}
</script>

<style>
</style>
